79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* run_expansion_builtin.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/09/14 12:38:38 by maiboyer #+# #+# */
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/* Updated: 2024/10/11 22:16:10 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "exec/_run_ast.h"
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#include "me/mem/mem.h"
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#include "me/str/str.h"
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#include "me/convert/numbers_to_str.h"
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// non bonus only returns 1
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t_pid get_self_pid(void);
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bool _is_special_var(t_ast_expansion *self)
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{
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char name;
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if (self == NULL)
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return (true);
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if (self->var_name == NULL)
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return (true);
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if (str_len(self->var_name) != 1)
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return (false);
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name = self->var_name[0];
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if (name == '*' || name == '@' || name == '?' || name == '!' || name == '#'
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|| name == '-' || name == '$' || name == '0')
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return (true);
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return (false);
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}
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// return pid of last run program
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// return `argc - 1` bc we don't care about argv[0]
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// return pid of self (the shell)
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// return the option string <ask maiboyer>
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// return all args without argv[0]
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// return all args with argv[0]
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// return exit code of last run program
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t_error _run_expansion_special_var(t_ast_expansion *self, t_state *state,
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t_expansion_result *out)
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{
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char name;
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if (self == NULL || state == NULL || out == NULL)
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return (ERROR);
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name = self->var_name[0];
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*out = (t_expansion_result){.exists = false, .value = NULL};
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if (name == '?')
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{
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*out = (t_expansion_result){.exists = true, .value = NULL};
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if (i32_to_str(state->last_exit, &out->value)) // TODO: fix this shit
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return (ERROR);
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}
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if (name == '#')
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{
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*out = (t_expansion_result){.exists = true, .value = NULL};
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if (i32_to_str(1, &out->value))
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return (ERROR);
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}
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if (name == '!')
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{
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*out = (t_expansion_result){.exists = true, .value = NULL};
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if (i32_to_str(1, &out->value))
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return (ERROR);
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}
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if (name == '$')
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{
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*out = (t_expansion_result){.exists = true, .value = NULL};
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if (i32_to_str(get_self_pid(), &out->value))
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return (ERROR);
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}
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return (NO_ERROR);
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}
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